1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
3 * ***** BEGIN LICENSE BLOCK *****
4 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 * The contents of this file are subject to the Mozilla Public License Version
7 * 1.1 (the "License"); you may not use this file except in compliance with
8 * the License. You may obtain a copy of the License at
9 * http://www.mozilla.org/MPL/
11 * Software distributed under the License is distributed on an "AS IS" basis,
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16 * The Original Code is Mozilla Communicator client code, released
19 * The Initial Developer of the Original Code is
20 * Netscape Communications Corporation.
21 * Portions created by the Initial Developer are Copyright (C) 1998
22 * the Initial Developer. All Rights Reserved.
27 * Alternatively, the contents of this file may be used under the terms of
28 * either of the GNU General Public License Version 2 or later (the "GPL"),
29 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
30 * in which case the provisions of the GPL or the LGPL are applicable instead
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36 * the provisions above, a recipient may use your version of this file under
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39 * ***** END LICENSE BLOCK ***** */
42 * By default all math calls go to fdlibm. The defines for each platform
43 * remap the math calls to native routines.
53 * Define on which platforms to use fdlibm. Not used by default under
54 * assumption that native math library works unless proved guilty.
55 * Plus there can be problems with endian-ness and such in fdlibm itself.
57 * fdlibm compatibility notes:
58 * - fdlibm broken on OSF1/alpha
61 #ifndef JS_USE_FDLIBM_MATH
62 #define JS_USE_FDLIBM_MATH 0
65 #if !JS_USE_FDLIBM_MATH
68 * Use system provided math routines.
74 #define fd_atan2 atan2
77 /* The right copysign function is not always named the same thing. */
78 #if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
79 #define fd_copysign __builtin_copysign
81 #define fd_copysign _copysign
84 /* Try to work around apparent _copysign bustage in VC6 and VC7. */
85 #define fd_copysign js_copysign
86 extern double js_copysign(double, double);
88 #define fd_copysign _copysign
91 #define fd_copysign copysign
97 #define fd_floor floor
108 * Use math routines in fdlibm.
118 #if (defined _WIN32 && !defined WINCE) || defined SUNOS4
131 #define fd_floor floor
134 extern double fd_atan2
__P((double, double));
135 extern double fd_copysign
__P((double, double));
136 extern double fd_pow
__P((double, double));
145 #define fd_log10 log10
148 #define fd_floor floor
151 extern double fd_cos
__P((double));
152 extern double fd_sin
__P((double));
153 extern double fd_tan
__P((double));
154 extern double fd_atan2
__P((double, double));
155 extern double fd_pow
__P((double, double));
156 extern double fd_ceil
__P((double));
157 extern double fd_copysign
__P((double, double));
159 #elif defined SOLARIS
169 #define fd_floor floor
172 extern double fd_acos
__P((double));
173 extern double fd_asin
__P((double));
174 extern double fd_log
__P((double));
175 extern double fd_atan2
__P((double, double));
176 extern double fd_pow
__P((double, double));
177 extern double fd_copysign
__P((double, double));
186 #define fd_floor floor
189 extern double fd_ceil
__P((double));
190 extern double fd_acos
__P((double));
191 extern double fd_log
__P((double));
192 extern double fd_atan2
__P((double, double));
193 extern double fd_tan
__P((double));
194 extern double fd_pow
__P((double, double));
195 extern double fd_asin
__P((double));
196 extern double fd_atan
__P((double));
197 extern double fd_copysign
__P((double, double));
204 #define fd_copysign copysign
213 extern double fd_atan2
__P((double, double));
214 extern double fd_ceil
__P((double));
215 extern double fd_floor
__P((double));
216 extern double fd_log
__P((double));
217 extern double fd_pow
__P((double, double));
223 #define fd_atan2 atan2
224 #define fd_copysign copysign
228 #define fd_floor floor
234 extern double fd_atan
__P((double));
235 extern double fd_ceil
__P((double));
236 extern double fd_pow
__P((double,double));
237 extern double fd_tan
__P((double));
239 #else /* other platform.. generic paranoid slow fdlibm */
241 extern double fd_acos
__P((double));
242 extern double fd_asin
__P((double));
243 extern double fd_atan
__P((double));
244 extern double fd_cos
__P((double));
245 extern double fd_sin
__P((double));
246 extern double fd_tan
__P((double));
248 extern double fd_exp
__P((double));
249 extern double fd_log
__P((double));
250 extern double fd_sqrt
__P((double));
252 extern double fd_ceil
__P((double));
253 extern double fd_fabs
__P((double));
254 extern double fd_floor
__P((double));
255 extern double fd_fmod
__P((double, double));
257 extern double fd_atan2
__P((double, double));
258 extern double fd_pow
__P((double, double));
259 extern double fd_copysign
__P((double, double));
263 #endif /* JS_USE_FDLIBM_MATH */
265 #endif /* _LIBMATH_H */